“Can they run, can they get out of the area, what is an affective hiding spot, maybe they hide so the shooter can’t get to them,” says Klamm. “Maybe they barricade the doors things like that and then the last thing we’re teaching is fight, worst case scenario, the shooter does find you, fight you might have to fight to save your own life.

Klamm says the reason more people weren’t killed in some of these mass shootings was because the shooters would stop. They would either run out of ammo, get intercepted by law enforcement or more disturbing, get bored of the killed.